Write an expression that can be used to multiply 6x198 mentally

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

The verbal translation for the difference of m and 7 increased by 15

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?